body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top left, #2563eb, #0b1020 60%, #020617 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    color: #e5e7eb;
}

.oa-login-admin-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.oa-login-admin-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(148, 163, 184, 0.08) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(148, 163, 184, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.25), transparent 45%);
    background-size: 80px 80px, 80px 80px, 100% 100%;
    pointer-events: none;
}

.oa-login-admin-wrapper > * {
    position: relative;
    z-index: 1;
}

.oa-login-admin-left {
    flex: 1.1;
    display: flex;
    padding: 60px 60px 60px 80px;
    flex-direction: column;
    justify-content: space-between;
}

.oa-login-admin-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
}

.oa-login-admin-logo {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0b1120;
    font-weight: 700;
}

.oa-login-admin-title {
    margin-top: 80px;
    max-width: 420px;
}

.oa-login-admin-title h1 {
    font-size: 34px;
    margin: 0 0 16px;
}

.oa-login-admin-title p {
    margin: 0;
    font-size: 14px;
    color: #9ca3af;
}

.oa-login-admin-highlight {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.5);
    font-size: 12px;
    margin-bottom: 16px;
}

.oa-login-admin-stats {
    display: flex;
    gap: 18px;
    margin-top: 40px;
}

.oa-login-admin-stat-card {
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(59, 130, 246, 0.35);
}

.oa-login-admin-stat-label {
    font-size: 11px;
    color: #9ca3af;
    margin-bottom: 4px;
}

.oa-login-admin-stat-value {
    font-size: 18px;
    font-weight: 600;
}

.oa-login-admin-footer {
    font-size: 12px;
    color: #6b7280;
}

.oa-login-admin-right {
    flex: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.oa-login-admin-card {
    width: 380px;
    background: rgba(15, 23, 42, 0.96);
    border-radius: 20px;
    padding: 26px 26px 28px;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(96, 165, 250, 0.65);
}

.oa-login-admin-card-header {
    margin-bottom: 18px;
}

.oa-login-admin-card-header h2 {
    margin: 0 0 6px;
    font-size: 20px;
}

.oa-login-admin-card-header p {
    margin: 0;
    font-size: 12px;
    color: #9ca3af;
}

.oa-login-admin-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(22, 163, 74, 0.1);
    color: #bbf7d0;
    border: 1px solid rgba(22, 163, 74, 0.6);
}

.oa-login-admin-form-item {
    margin-bottom: 14px;
}

.oa-login-admin-form-label {
    font-size: 12px;
    color: #e5e7eb;
    margin-bottom: 4px;
}

.oa-login-admin-extra {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 4px 0 12px;
    font-size: 11px;
    color: #9ca3af;
}

.oa-login-admin-extra a {
    color: #93c5fd;
    text-decoration: none;
}

.oa-login-admin-extra a:hover {
    text-decoration: underline;
}

.oa-login-admin-submit {
    width: 100%;
    margin-top: 6px;
}

.oa-login-admin-divider {
    margin: 14px 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(31, 41, 55, 0.8), transparent);
}

.oa-login-admin-hint {
    font-size: 11px;
    color: #6b7280;
    text-align: center;
}

.layui-layer-msg .layui-layer-content {
    background: rgba(15, 23, 42, 0.96);
    color: #f9fafb;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
}

.layui-layer-msg .layui-layer-ico {
    filter: brightness(1.2);
}

@media (max-width: 1024px) {
    .oa-login-admin-wrapper {
        flex-direction: column;
    }
    .oa-login-admin-left {
        padding: 32px 24px 12px;
    }
    .oa-login-admin-right {
        padding: 24px;
    }
}